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/* Check if use_maxcount works as expected. This makes the node profile weight to
be equal to the maximum count of any basic block in a function rather than the
entry count. foo_100's maxcount > foo_200's max count */
/* { dg-require-section-exclude "" } */
/* { dg-require-linker-function-reordering-plugin "" } */
/* { dg-options "-O2 -freorder-functions=callgraph -ffunction-sections -Wl,-plugin-opt,file=linker.dump -Wl,-plugin-opt,edge_cutoff=p100,-plugin-opt,use_maxcount=yes" } */
int __attribute__ ((noinline))
bar (int *i)
{
(*i)--;
if (*i >= 0)
return 1;
return 0;
}
int __attribute__ ((noinline))
foo_100 (int count)
{
int sum = 0;
while (count > 0)
{
sum += bar(&count);
}
return sum;
}
int __attribute__ ((noinline))
foo_200 (int count)
{
int sum = 0;
while (count > 0)
{
sum += bar(&count);
}
return sum;
}
int main ()
{
int sum = 0;
for (int i = 0; i< 200; i++)
sum += foo_200 (100);
for (int i = 0; i< 100; i++)
sum += foo_100 (400);
return sum - 60000;
}
/* { dg-final-use { scan-file-not linker.dump "Callgraph group" } } */
/* { dg-final-use { scan-file linker.dump "\.text\.*\._Z7foo_100i entry count = 100 computed = 100 max count = 40000" } } */
/* { dg-final-use { scan-file linker.dump "\.text\.*\._Z7foo_200i entry count = 200 computed = 200 max count = 20000" } } */
/* { dg-final-use { scan-file linker.dump "\.text\.*\._Z7foo_200i.*\n\.text\.*\._Z7foo_100i.*\n\.text\.*\._Z3barPi.*\n" } } */
/* { dg-final-use { remove-build-file "linker.dump" } } */
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